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P20AA Engine Error Code

When you check engine light came on code P20AA the reason should be . However your vehicle's manufacturer may have a different definition for the P20AA OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.

P20AA Code Symptoms

P20AA Code Reason

Parts or components should not be replaced with reference to only a P20AA DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P20AA OBD-II Diagnostic Powertrain (P) Trouble Code Description

P20AA Reductant Injection Air Pressure Control Valve Stuck Open so you have to check ODB-II Engine Error Code list.

P20AA Code Review :

The reason of P20AA OBD-II Engine Error Code is P20AA Reductant Injection Air Pressure Control Valve Stuck Open.

P20AA Code Dictionary Meaning:

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2 - MFG - Manufacturer Specific
0 - Transmission
a - BBV Sensor Circuit Low Voltage
a - TFP Valve Position Switch-Drive Without Drive Ratio

How long can you drive with a P20AA code ?

If your vehicle is displaying a P20AA OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

  • Potential for Worsening
  • Decreased Fuel Efficiency
  • Emissions Testing Compliance
  • Risk of Further Damage
  • Safety Concerns
  • Legal Considerations